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87477042 = 2330834729
BaseRepresentation
bin1010011011011…
…00101100110010
320002121021221110
411031230230302
5134343231132
612402534150
72111354052
oct515545462
9202537843
1087477042
1145418884
1225367356
131517a783
14b891562
157a2e1cc
hex536cb32

87477042 has 16 divisors (see below), whose sum is σ = 175047840. Its totient is φ = 29143392.

The previous prime is 87477037. The next prime is 87477059. The reversal of 87477042 is 24077478.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16134 + ... + 20862.

It is an arithmetic number, because the mean of its divisors is an integer number (10940490).

Almost surely, 287477042 is an apocalyptic number.

87477042 is an abundant number, since it is smaller than the sum of its proper divisors (87570798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87477042 is a wasteful number, since it uses less digits than its factorization.

87477042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817.

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 87477042 is about 9352.9162297115. The cubic root of 87477042 is about 443.9131698558.

The spelling of 87477042 in words is "eighty-seven million, four hundred seventy-seven thousand, forty-two".

Divisors: 1 2 3 6 3083 4729 6166 9249 9458 14187 18498 28374 14579507 29159014 43738521 87477042